Siphon device



Dec. 7 1926.

W.A F. BROWN SIPHON DEVICE Filed July 10, 1925 Ii U In JIL www? PatentedDec. 7, 1926. l

VALTER FRANK Y rece-,isa naires stares ententeseies. `L

BROWN, or 'ivriNnnAPoLIs ivrnvivnsorn, nssieivonor ONE-HALF To rosIAH n.BRrLL, 0F ivHNNEnPoLIs, MINNESOTA.

'A sIPHoN DEVICE.

Application filed July 10, 1925. Serial No. 42,763.

This invention yrelates to siphon devices vand especially to thoseadapted to be employed in separating the cream from the milk containedin the ordinary commercial milk bottle.

The main object of this invention is to` lprovide an exceedingly simplebut highly elficient siphoning device adapted to be readily used onstandard milk bottles and to automatically start the siphon Aaction whenfitted in the mouth of the bottle. vention, though especially adaptedfor use in connection with milk bottles," is, of course, capable of widegeneral use in liquid recepf tacles of all classes.

It is a more specific objectof the invention to provide such a devicehaving in combination a bent cond uit having its delivery7 end extendedbelow its receiving end and a flexible diaphragm adapted to closely fitthe mouth of a bottle or receptacle operative when depressed to startther action of the siphon.

A further object of the invention is to provide in such a siphoningdevice simple means for admitting air to the interior of the receptacleafter the siphon action has been started, thereby permitting` thecontents of the receptacle to be drained-down to the 'level ofthereceiving end ofthe conduit.

These and other objects will be apparent from the following descriptionmade in connection with the accompanying drawings,

wherein like characters refer to similarparts throughout the .severalviews, and in which,

Fig. l is a fragmentaryl vertical section ofy a standard milk bottlehaving the siphoning device mounted therein, in position to bedepressed; Y

F ig. 2 is a similar vertical section after the flexible diaphragmemployed has been depressed F ig. 3 is a horizontal cross section takenfr on the line 3 3 of Fig. l; and

Fig. 4 is a view mostly in vertical section of a modified form ofdiaphragm.

In the drawings, a standard milk bottle is illustrated by the numeral 5having the peripheral flange 5a in the sides of its mouth. rlhe bottleis illustrated as being filled with milk to the level. X and with creamto the level Y, the cream usually extending from the top of the bottleto about one-third of the height thereof.

'the mouth of bottle 5 j peripheral flange 5,

The in-VV In the preferred embodiment of the de-` vice illustrated, aflexible annular diax phragm 6, of concavo convex construction, isemployed. This diaphragm is usually made of rubber, but may, of course,be constructed of metal .or other fiexible material. The diaphragm 6isadapted to closely fit engaging tightly the when in 'normal position.The edges 6a ofthe annular diaphragm about the aperture therethroughvare purposely rounded tovr permit the diaphragm to be easily andgradually reversed or depressed when subjected to a downward pressure. Asubstantially U-shaped con- -duit 7, having legs of unequal length, isadjustably supported by and passed through diaphragm 6, the shorter legof said conduit being adapted to extend below the level of the. liquidwithin the bottle 5, preferably to a point adjacent the lower level ofthe cream. The lower end 7l of the shorter leg of conduit 7 is closed,but a receiving opening 7" is provided inthe side thereof, the purposebeing to prevent the milkfrom being drawn when the action of the siphonis started. The delivery end of conduit 7 of course, extends on theyoutside of the bottle and is provided with a point 7C adaptedto piercethe usual milk bottle stopper. to fabottle. v.Radially spaced dependingllugsor tits 6b vproject from the under side -0f1dia phragm 6 adjacentthe outer peripheral edge thereof, engaging the sides of the mouth ofthe bottle just below the flange 5, being adapted to press against saidsides when the diaphragm is forced vdownwardly to depressed' position,thereby slightly raising a portion of the contacting edge of diaphragm 6to permit a small amount of air to gain access to the interior of thebottle.

The modified form of diaphragm illus` trated in F ig. d comprisesaconcavo convex annular member 8 provided with a plurality of smallrecesses or grooves 8L adjacent the inner peripheral edge thereof, saidgrooves or recesses permitting the access of air to the interior of thebottle when the diaphragml* pointed end ot conduit 7, the diaphragmsupporting the conduit is ylitted intol the mouth of the bottle, asshown in Fig. l, tightly contacting the peripheral iange 5a. Thediaphragm is then depressed by pushing downwardly on the elbow port-ionof the conduit, causing the diaphragm te as-H sume the position shown inFig. 2. The depression of diaphragm 6 causes increased pressure to beexerted on the contents of bo-ttle, being sulicient to force a smallamount ot liquid through the conduit 7, thereby starting the'siphonaction. rlhe outer sides oflugs 6b, with the undersides of theldiaphragm edge, afford recesses or seats conf forming tothe shape of theannular groove in the neck olf milk bottle 5. W hen the dia-Y phragm 6has assumed the depressed position,

y illustrated in Fig. 2f, the depending lugs 6b, pressing against thesides oic the mouth ot'Y bottle 5, cause the edges ot' the diaphragm tobe puckered slightly, atlording small recesses for the entrance of airinto the bottle. Such is necessary, in order that the action oftheSiphon may continue and the cream be drained. lt will. readily be seenthat the action ol? the. modilied form oft diaphragm shown in Fig. 4 issimilar to that of the preterred form, permitting the access ot air intothe bottle. when the diaphragm has been pushed to depressed position.

It will be apparent from the foregoing de-r scription that the.applicant hasinvented an extremely simple self-startingv siphon devicecomprising -only two parts Vand capable of being manufactured at littlecost. Y Extensive actual usage has shown the def. vice to be highlysuccesstul tor the purposes intended.

lt will,'o course, be understood that va-Y rious changes. may be made inthe form, de-V tails, proportions and arrangement of parts Withoutdeparting from the scope of the in. vention.

What is claimed is :fe

l. A sip'hon deviceV having in combination a flexible diaphragm adaptednormally to fit the mouth of a bottleV or other receptacle, air-tight, asiphon tube passing through said diaphragm with its short-er leg adaptedto extend into the contentsiot said bottle and means on the. under sideof said diaphragm normally engaging the peripheral edge at the innerside ot the Ymouth of said receptacle and adapted tore-act against saidedge when said diaphragm is flexed downwardly whereby a portion of saiddiaphragm will be lifted from engagement with the mouth nece/lss `ibl-emember normally engaging'the inner side. of the recessv in the mouth ortsaid re-` ceptacle and extending downwardly along and a depending lugadjacent the peripheral edge et said diaphragm'adapted to engage theinner side of the mouth ot said receptacle said inner side, said meansbeing adapted to whereby portionv ot said peripheral edge will bepuclrered to admit air into saidreceptaele when said diaphragmisdepressed.

A siphon device having in combination a concave-convex diaphragm adaptedto normally lit the mouth ot a. receptacle air-tight, and provided witha central aperture there through, a siphon tubepassing through saidaperture and snugly fitting the edges of said diaphragm thereabout, saidedges or shoulders about said aperture being rounded and slightlydepressed to permit-said diaphragm to roll to reverse position whenpressed downwardly.

o. rlhe combination with a receptacle havy `internally vflanged mouth,of a siphon ino' 3. v device comprising a diaphragm normally adapted tolit the flanged ortion or said vreceptacle mouth air-tight, a siphontubepassing through said diaphragm with its shorter leg Vextending withinsaid receptacle and depending means en the under side of said diaphragmengaging the vertical sides of said iianged mouth whereby the peripheraledge or' said diaphragm will beliftedY trom engagement withy saidliangewhen said diaphragm is depressed, Y

linftestimony .vliereol:l i my signature.

WALTER, raamt Bnown.

